Horizon Pipeline Company, L.L.C.

Original Volume No. 1

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Effective Date: 04/18/2002, Docket: CP00-129-001, Status: Effective

Original Sheet No. 137 Original Sheet No. 137 : Effective

GENERAL TERMS AND CONDITIONS

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8.3 A PDA will be effective as of the date specified

thereon (which may not be earlier than the date on which the PDA

is submitted to Horizon unless otherwise agreed) and will continue

in effect through the end of the calendar month unless the

Allocator submits a new PDA that is accepted by Horizon. PDAs may

be submitted to Horizon on any business day or days during the

month and should be submitted if necessary to reflect any changes

in the Shippers or the allocation method at the point.

8.4 Allocators who should submit PDAs include the operator

of the upstream facilities, the shippers or producers/owners of

the gas being delivered by the upstream entity, buyers of the gas

who are in turn selling the gas at that point, and Shippers who

are using more than one transportation Agreement at that point.

8.5 After the end of each month, Horizon shall provide

each Allocator who submits effective PDA(s) with a monthly

allocation statement showing the volumes allocated in accordance

with such PDA(s).

8.6 Horizon may rely conclusively on effective PDAs in

allocating the gas received at a point. No retroactive changes to

the PDA may be made unless Horizon and all affected parties agree.